Benno wrote:
> On Nov 4, 1:01 pm, Mathias Agopian <[EMAIL PROTECTED]> wrote:
>
>> Hi Ben,
>>
>> On Nov 1, 8:11 pm, "Ben Leslie" <[EMAIL PROTECTED]> wrote:
>>
>>
>>
>>
>>> The current documentation implies that everything should work on
>>> devices where double buffering (panning) isn't supported by the
>>> underlying driver.
>>>
>>> However, swapBuffers() doesn't actually seem to support PAGE_FLIP:
>>>
>>> uint32_t EGLDisplaySurface::swapBuffers()
>>> {
>>> if (!(mFlags & PAGE_FLIP)) {
>>> return 0;
>>> }
>>> ....
>>>
>>> }
>>>
>>> If I add a memcpy() in there things seem to work correctly (at least
>>> on the neo 1973).
>>>
>>> Do I need to add this, or should non page flip work some other way?
>>>
>>> Cheers,
>>>
>>> Benno
>>>
>> You are perfectly right. The code is incomplete and doesn't work
>> without page-flipping.
>> It is intended to work by performing a memcpy() as you have suggested.
>>
>> We have actually fixed the non-page flipping case; but the code has
>> not been submitted yet.
>>
>
> Thanks Mathias! Good to see I'm not completely off track!
This is irrelevant on Freerunner now as I've implemented page flipping
in the kernel. I still have to change to use FBIOPAN_DISPLAY, though, as
the other ioctl does a complete refresh of settings and causes flashing.
--~--~---------~--~----~------------~-------~--~----~
unsubscribe: [EMAIL PROTECTED]
website: http://groups.google.com/group/android-porting
-~----------~----~----~----~------~----~------~--~---
